We found 2 definitions of archaeornithes from 2 different sources.
Noun |
||
archaeornithes - primitive reptile-like fossil birds of the Jurassic or early Cretaceous | ||
subclass Archaeornithes | ||
class elegance in dress or behavior; "she has a lot of class" | ||
aves, class aves (ornithology) the class of birds | ||
genus archaeopteryx, genus archeopteryx a genus of fossil birds | ||
genus sinornis a genus of fossil birds | ||
genus ibero-mesornis a genus of fossil bird of the subclass Archaeornithes |